Home / 27,377.33-37,781.25-15,438.33

Finding the Fourth Proportional to 27,377.33, 37,781.25 and 15,438.33

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Solution

The fourth proportional to 27,377.33, 37,781.25 and 15,438.33 is: 21,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,377.33 : 37,781.25 = 15,438.33 : x
  2. Step 2: Convert to fraction form
    27,377.33/37,781.25 = 15,438.33/x
  3. Step 3: Cross multiply
    27,377.33x = 37,781.25 × 15,438.33
  4. Step 4: Simplify right side
    27,377.33x = 583,279,405.31
  5. Step 5: Solve for x
    x = 583,279,405.31/27,377.33
  6. Step 6: Final answer
    x = 21,305.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.